Jean‑Sébastien Rombouts
Associate
“Jean-Sébastien Rombouts is an exceptionally brilliant lawyer and a true rising star in the legal field. He has an extraordinary capacity to grasp complex issues immediately.”
Chambers Global, 2026
“His advice is always flawless, precise and impeccably tailored to our needs.”
Chambers Global, 2026
“Jean-Sébastien Rombouts is an associate with a bright future. Very smart and pleasant to work with. Extremely hardworking.”
The Legal 500 EMEA, 2025
Jean-Sébastien Rombouts’ practice focuses on domestic and cross-border corporate and financial transactions, business reorganizations, and corporate governance matters.
Jean-Sébastien represents buyers and sellers in domestic and international M&A transactions, both public and private. He regularly advises companies on corporate and securities law questions, including governance, disclosure, shareholder activism, and market abuse matters.
He is published in the areas of corporate and securities law.
Jean-Sébastien was a stagiaire in 2016 and returned to the firm as an associate in 2018.
Notable Experience
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AG Real Estate in the syndication of a minority stake in Interparking.
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Compagnie Nationale à Portefeuille in its strategic investment in and partnership with Equine Care Group, and the subsequent syndication of a minority stake to Gimv.
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Sofina in its €545 million rights offering.
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Duravant, a portfolio company of Warburg Pincus and Carlyle, in its acquisition of Pattyn Group.
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CapitalG in a €500 million secondary share investment in Odoo led by CapitalG and Sequoia Capital.
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The French State in its acquisition of a 10% equity stake in John Cockerill Defense, alongside the SFPIM.
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Banque Degroof Petercam in its sale to CA Indosuez, an entity of the Crédit Agricole group, for €1.59 billion.
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Solvay in the global spin-off of its Specialty activities to Syensqo and the dual listing of Syensqo on Euronext Brussels and Euronext Paris.
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Nethys in the sale of a stake of 75% minus one share in telecom operator VOO SA to Orange Belgium and the prior consolidation of Brutélé’s activities into VOO SA, and the subsequent rollover of its residual stake in VOO against Orange Belgium shares.
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Aliaxis in its €1.88 billion all-cash tender offer to acquire all shares of Uponor.
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Befimmo in the context of the €1.4 billion public takeover bid launched by Alexandrite Monnet Belgian Bidco, a company controlled by Brookfield.
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Solvay in its defense against certain ESG allegations made by activist investor Bluebell Capital Partners, including in connection with the cooperation and settlement agreement reached.
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Nethys in the renegotiation of the sale of a majority stake in telecom operator VOO SA to Providence Equity, the summary proceedings instituted by Orange and Telenet to obtain an order blocking the transaction and the subsequent rescission of the sale in July 2020.
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Nethys in connection with the sale of Éditions de l’Avenir and the shares of L’Avenir Hebdo to IPM Group.
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Umicore in its acquisition of Freeport-McMoRan’s cobalt refining and cathode precursor operations in Kokkola, Finland.
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Axéréal in the acquisition of the global malt business of Cargill.
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General Motors (GM) in the €1.3 billion sale of its Opel/Vauxhall subsidiary and in the €0.9 billion sale of GM Financial’s European operations to PSA Group.
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Umicore in its €142.4 million sale of its Umicore Zinc Chemicals business to OpenGate Capital.
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Belron in its senior secured financing consisting of a $1.025 billion term loan A, a €425 million term loan B and in a €280 million multicurrency revolving credit facility and in a €1.5 billion refinancing.
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Various listed and non-listed companies in the context of bringing their articles of association into line with the new Belgian Code on Companies and Associations.
Publications